package jdbc;

import com.mysql.cj.jdbc.MysqlDataSource;

import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class demo2 {
    public static void main(String[] args) throws SQLException {
        DataSource dataSource=new MysqlDataSource();
        ((MysqlDataSource)dataSource).setUrl("jdbc:mysql://127.0.0.1:3306/java118?characterEncoding=utf8&useSSL=false");
        ((MysqlDataSource)dataSource).setUser("root");
        ((MysqlDataSource)dataSource).setPassword("admin");

        Connection connection=dataSource.getConnection();

        String sql="select * from student";
        PreparedStatement statement = connection.prepareStatement(sql);

        ResultSet resultSet=statement.executeQuery();

        while (resultSet.next()){
            int id= resultSet.getInt("id");
            String name= resultSet.getString("name");
            System.out.println(id+" "+name);
        }
    }
}
